add possibility to count size by line. and correct minor typing errors.
add possibility to count size by line. and correct minor typing errors.

Open-UDC/open-udc,jbar/open-udc,Open-UDC/open-udc,Open-UDC/open-udc,Open-UDC/open-udc,Open-UDC/open-udc,jbar/open-udc,jbar/open-udc,jbar/open-udc,Open-UDC/open-udc,Open-UDC/open-udc